$OpenBSD: patch-src_mn_h,v 1.2 2017/05/06 17:23:10 naddy Exp $
Index: src/mn.h
--- src/mn.h.orig
+++ src/mn.h
@@ -2,11 +2,16 @@
 #define _MN_H_
 
 /////////////////////////////////
-#include <stdio.h>
-#include <stdarg.h>
-#include <netinet/in.h>
 #include <sys/types.h>
 #include <sys/time.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
 
 
 /////////////////////////////////
